Can anyone comment on how the apm code handles X8 configurations? (Haven't delved into the code). More specifically, does AC 3.x send the exact same signal to the coax bottom and top motors on each…Continue

John Dennings's Blog

Singaporean company Horizon Unmanned Systems (HUS) unveils HYCOPTER, the world’s first hydrogen fuel cell powered multi-rotor UAV. HYCOPTER is being readied for a record flight endurance of 4 hours, or around 8 to 10 times the average flight duration of equivalent systems today ...…

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I don't know a lot about the repeater but yes it does repeat Glonass as well. The only problem we have had has been the gain being too high which has hidden problems with interference, then when we take the systems to the field, GPS suddenly performs very poorly. Hope this help.

We have done all studies and tests before we did the craft. Indeed it performs as anticipated. We have ca 6.7 kWh of battery capacity to lift it 10 min. We need a range extender: now there are many options: ideal would be fuelcel, but not sufficient power/kg ratio yet. This is only a Proof of Concept, as of now will start real prof stuff!